Dear TEAM of the Global Water Chemistry Experiment!We have carried out the pH-measurement for several water sources and would like to submitt these data.Could you, please, explain how we can add the data for each water source?We have submitted only one results for our local source, but for the other?Thank you very much!Dr. Lyudmila Novikova, ass. prof. Voronezh State Academy of Forestry and Technologies, Russia